Rare is the reboot that recaptures the organic magic and enthusiasm cult classics generate, but that certainly hasn’t stopped Hollywood from trying. In the second spinoff to the fan-favorite legal drama “Suits,” creator Aaron Korsh showcases a new crop of lawyers on an entirely different coast. “Suits LA” has the same nuts and bolts that made the original show such a sensation, first on USA Network and then on Netflix, but it lacks the foundation, characters or storylines to sustain renewed interest.

“Suits LA” opens in New York City in 2010, with federal prosecutor Ted Black (a miscast Stephen Amell) trying to convince a witness to testify against the mob in an upcoming trial. Following an angry confrontation, Ted leaves the man’s home just as it explodes. Startled awake in present-day Los Angeles, Ted begins his morning at the offices of Black Lane, a law firm he and his friend,...