As if the recent season 5 premiere of When Calls the Heart wasn't exciting enough, the Hallmark Channel will keep the seasonal movie fun going in March following its epic Countdown to Christmas, Winterfest, and Valentine's Day events.

Get ready to set your DVR for several fresh Hallmark rom-coms as the network launches its 'Spring Fever' programming event on March 17 with a series of new movies "celebrating the hope of the spring season." That's right: The channel will premiere four brand-new movies, The Sweetest Heart, Royal Matchmaker, Home by Spring, and Once Upon a Prince over four consecutive weekends. Here's everything we know about the plots, casts, and premiere dates so far.

The Sweetest Heart

Premieres: Saturday, March 17 at 9/8c.

Maddie (Julie Gonzalo), who owns a quaint little cupcake shop, befriends Alex (Chris McNally), an easy-on-the-eyes businessman who recently invested in her struggling small town store. The two hit it off, but things get complicated when Maddie's high school sweetheart returns home. As she struggles to revive her business, will she choose her new love or her first love?

Royal Matchmaker

Premieres: Saturday, March 24 at 9/8c.

After a foreign royal family hires her to find its future king a bride, matchmaker Kate Gleason (Joy Lenz) ends up being the one to fall in love with her reticent client, Prince Sebastian (Will Kemp). Still, an unlikely romance forms between the two—until Kate introduces the prince to his perfect match, leaving them both with some hard choices to make.

Home By Spring

Premieres: Saturday, March 31 at 9/8c.

An event planner goes undercover as her boss, returning to her hometown to throw the biggest spring retreat the town's ever seen. While there — spoiler! — she may realize that home is where the heart is.

Once Upon a Prince

Premieres: Saturday, April 7 at 9/8c.

When architect Susanna (Megan Park) meets Nate (Jonathan Keltz), a handsome foreigner who offers to help her with a flat tire, she has no idea he's a prince who's about to inherit the throne. Soon after learning his big secret, his mother makes it her mission to separate the two while Nate tries to balance his royal responsibilities and new love, leaving Susanna to figure out where she fits in.

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Courtesy of The Hallmark Channel/Crown Media United States

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