Launa Cruz being shot in coma, Five-0 must work out connection(s) between her, husband Jack Cruz and Natelie Jacobs, but they keep changing theories about infidelity and revenge till the right trap can be set. As Steve turn sup with a black eye after his hot Valentine date, his Five-0 try to make him confide about it by sharing their own unlucky experiences during Valentine's Day period. Chin gets a call from Abby, who apologizes for ruining their Valentine's Day, running out from his hotel suite, getting him locked-out towel-only, bumping into Duke Lukela and wife in the lobby. Danny got abuse at is romantic dinner with Melissa, who made up. Jerry gets his first date. Lou was in the dog house -his car- after poorly covering up he forgot but his wife Renee gets a dinner made by Chef. McGarrett deletes Catherine from his phone contacts on an accident-prone hot date, who afterward tells him she is in San Francisco, actually sitting in a car on a mountain top in the outskirts of Oahu. Kono is left enjoying footage from her wedding with Adam.
—KGF Vissers