Mexican aviation exec Renato is shocked to learn that he has an American half-brother he never knew about: free-spirited Asher. They are forced on a road trip together, tracing the path their father took from Mexico to the U.S.
Marleen is in her early 20s, works in a movie theater, still lives at home and is somehow aimless. Her parents torment her with questions about her future and her brother is a high-flyer who has already traveled halfway around the world. When a tragic accident plunges her into sheer endless grief, Marleen just wants to get away. Equipped with the bare essentials, she sets off on a journey into the unknown.
A newlywed couple cancels their honeymoon and returns to the snowy Midwest to make the funeral arrangements for their best man, who died unexpectedly after their ceremony.
Vada Sultenfuss has a holiday coming up, and an assignment: to do an essay on someone she admires and has never met. She decides she wants to do an assignment on her mother, but quickly realises she knows very little about her. She manages to get her father to agree to let her go to LA to stay with her Uncle Phil and do some research on her mother.
A special bond develops between plus-sized inflatable robot Baymax, and prodigy Hiro Hamada, who team up with a group of friends to form a band of high-tech heroes.