【ZiYuanTun.Com-资源屯】Severalyoungcouplestraveltoaprivateislandforamysterioustrainingretreatthatpromisestostrengthentheirrelationship.However,duringtheRetreat,theheroesencounteranancientdemon-aSuccubus.Thismonsterfeedsonthelifeenergyofpeople,takingonsomeoneelse’sappearanceandprovokingvictimstoshowtheworstqualitiesanddoterriblethings.