With the Vietnam War raging in 1969, two young fathers report for duty. A man of great faith and a doubtful cynic. A quarter-century later, their sons, Wayne and John Paul (David A.R. White and Kevin Downes), meet as strangers. Guided by handwritten letters from their fathers from the battlefield, they embark on an unforgettable journey to The Wall-the Vietnam Veterans Memorial in Washington, D.C. Along the way, they discover the devastation of war cannot break the love of a father for his son.

Stef Foster, a dedicated police officer, and her partner Lena Adams, a school vice principal, have built a close-knit, loving family with Stef's biological son from a previous marriage, Brandon, and their adopted twins, Mariana and Jesus. Their lives are disrupted in unexpected ways when Lena meets Callie, a hardened teen with an abusive past who has spent her life in and out of foster homes. Lena and Stef welcome Callie and her brother, Jude, into their home thinking it's just for a few weeks, until a more permanent placement can be found. But life has something else in store for the Fosters.

After a serial killer imitates the plots of his novels, successful mystery novelist Richard "Rick" Castle receives permission from the Mayor of New York City to tag along with an NYPD homicide investigation team for research purposes.