Her Alter Ego, His Misfortune — Episode 4

Twins Erin and Alice separated in childhood. After Alice is betrayed by her husband and friend and falls off a cliff, sister Erin decides to live as Alice to exact revenge. Plans go awry when Alice returns, alive, face surgically altered, and memory lost. The sister thinks the replacement is an imposter; the protector becomes the target. Caught in a web of sinister schemes, can the sisters recognize each other and repair their broken bond?