In just one week, the peaceful charm of Sullivan’s Crossing is set to shatter as Maggie Sullivan’s carefully guarded past comes roaring back to life. Viewers have waited months for the fallout from that jaw-dropping Season 3 finale, and Season 4 promises to deliver maximum drama when it premieres on The CW this Monday, April 20 at 8 p.m. ET/PT.

At the heart of the storm is Maggie, the dedicated neurosurgeon who has finally found stability and love with Cal Jones. Their relationship has been a rollercoaster of breakups, makeups, and tender moments amid the scenic beauty of the small Nova Scotia town. But everything changes when Maggie’s long-lost husband, Liam, suddenly reappears, announcing to a stunned Maggie and Cal that their marriage was never properly dissolved.

What was once dismissed as a brief summer fling turns out to be far more complicated. New details reveal that Maggie waited an entire year after the wedding before filing for annulment — a timeline that raises serious questions about her honesty with Cal. As Liam settles into the Crossing and requests paperwork to finalize their separation, old feelings resurface, forcing Maggie to confront unresolved emotions she thought were buried forever.

Cal, the rugged and loyal outdoorsman who has become Maggie’s rock, finds himself questioning everything. Why did Liam really return? Is he here for closure, or does he want Maggie back? The tension between the two men escalates quickly, with Cal growing suspicious of Liam’s true intentions. Meanwhile, Maggie struggles to balance her professional life — including a challenging new residency — with the emotional chaos at home. A broken necklace from Cal becomes a painful symbol of their fracturing bond.

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The season opener wastes no time diving into the messiness. Maggie searches for ways to legally untangle her past while Cal wonders if Liam plans to stay indefinitely. Side stories involving other residents, such as Sydney and Rafe’s relationship troubles and mysterious news from Toronto, add layers of small-town intrigue and heartfelt moments.

Based on the bestselling books by Robyn Carr, Sullivan’s Crossing has built a loyal following for its perfect blend of romance, family drama, and community spirit. Season 4 amps up the stakes with love triangles, hidden truths, and the kind of emotional gut punches that keep fans glued to their screens. Will Maggie choose the safe, steady love she’s built with Cal, or will sparks from her history with Liam pull her in another direction? And how will the close-knit community react when secrets spill out?

With stunning scenery, strong performances from Morgan Kohan as Maggie and Chad Michael Murray as Cal, plus the return of Marcus Rosner as Liam, Season 4 is shaping up to be the most intense chapter yet. Expect tears, arguments, tender reconciliations, and plenty of “what just happened” moments.

Mark your calendars — Sullivan’s Crossing Season 4 premieres Monday, April 20 at 8 p.m. on The CW. One thing is certain: in a town where everyone knows everyone, no secret stays hidden for long, and this week, hearts are on the line like never before.