Summary:
Oliver tracks down an accountant, Backman, for the secret organization
and steals his laptop in order to redistribute all of his money back to
the people he stole from. While decrypting the laptop, Felicity uncovers
a link to Walter—a $2 million transfer was made to Dominic Alonzo, an
underground casino owner who was hired to kidnap Walter. With Felicity
posing as a card sharp,
the pair infiltrate the casino; after being beaten and threatened,
Alonzo reveals that Walter was killed. Oliver informs his family; Moira
immediately confronts Malcolm, who reveals that Walter is alive. Oliver,
who was listening in, discovers that Tommy's father is heading the
secret organization, and uses Felicity to hack into his phone records to
ascertain Walter's location. As the vigilante, Oliver frees Walter and
reunites him with the family. Meanwhile, Laurel goes to Tommy to get the
truth about why he left, and Tommy reveals that he believes she is
meant to be with Oliver, who still loves her. In a flashback, Robert
Queen is shown disagreeing with Malcolm's proposed "Undertaking", which
would involve leveling The Glades and killing thousands of people in an
effort to rebuild the area and remove the crime. As a result, Malcolm
has a bomb planted on the Queen's yacht just before Robert and Oliver
set off.