After the breakout success of the song "I Can Only Imagine," MercyMes Bart Millard is living the dreamu2014sold-out arenas, a devoted fan base, and a thriving career. But behind the spotlight, Barts past threatens the family hes built, especially the fragile bond with his son, Sam. When hopeful newcomer Tim Timmons joins the band for their biggest tour yet, he unknowingly brings a renewed gratitude to Barts life through their unlikely friendship. Bart soon discovers that Tim carries hardshipsu2014and secretsu2014of his own, forcing him to face his past and repair his relationships with Sam and his wife, Shannon, before fame costs him what matters most.