The music that plays in Tessa’s soul yearns for a connection outside the restrictions of her life. As the sole provider for her little sister, she’s put her life on hold to ensure Whitney’s happiness. But it’s left Tessa exhausted and alone. But sometimes, life refuses to wait. Sometimes, it crashes in when it’s least expected. At least, that’s what happens to Tessa when she bumps into a customer at the diner where she works and dumps food down his front. Who knew fate could be so messy? Life is no longer willing to wait for Tessa to step out of her limited world. Suddenly, she’s hearing the soul song of the person she’s destined to love. But things get complicated when she hears the songs of his best friends, too. Is something wrong with Tessa’s heart, or is she really meant to fall for all of them? Will the lonely lullaby of her soul finally find an answer, and is it one she’s willing to embrace?

Taking the plunge, Tessa and Whitney join Origami Meltdown on their stateside tour. Whitney's happy and seemingly healthy, Tessa's relationships bloom with the guys, and the band's tour becomes more successful with each performance. But every sweet song comes to a conclusion. When Tessa receives a text from an unknown number, she learns someone is angry about her involvement with the band. More messages come, and things continue to escalate with disturbing gifts and face-to-face encounters with obsessed fans. Is it worth the risk to stay and figure out their heart songs? Tessa's decision could prove fatal.