The story follows a 19-year-old hypochondriac (Butterfield) who befriends a girl with a terminal illness (Williams). She enlists him to help her check off all her strange, exciting goals from her bucket list, forcing him to confront his fears and live a little. In the process he learns about friendship, love, risk, and what makes a life worth living.
Their adventures lead them to cross paths with plenty of quirky supporting characters played by a notable cast including Nina Dobrev, Ken Jeong, Titus Burgess, Tyler Hoechlin, and Peyton List.
Then Came You will be released in theaters and on-demand on February 1, 2019.