Lena had to live her home in Ireland when she found out that Lillian and Lex that was in jail have a plan to take over earth and kill every alien on it.
Two Detectives and One impossible murder case, can Lena and Kara crack the codes and solve the case before the murderer strikes again? First they will have to overcome their own differences in order to be able to work together, its a life and death situation after all and time is of the essence.
(This is a AU story so Kara has no powers and the Luthors arent an evil, alien killing Dynasty)