Keep in Touch (2015)

After a major crisis a man attempts to track down his longlost first love only to discover that she was killed in a car accident many years prior His online search leads him to her younger sister an aspiring musician who bears a striking resemblance to the girl he used to love Quickly becoming obsessed he arranges a notsochance meeting and a relationship blossoms between the two before he has a chance to disclose his true identity