 The series depicts the adventures of Veronica Mars ( Kristen Bell ) as she deals with life as a college student while moonlighting as a private detective . In this episode , Veronica investigates when two masked men rob a Halloween party and steal Veronica 's necklace from Lilly Kane ( Amanda Seyfried ) . Meanwhile , Keith ( Enrico Colantoni ) helps Dean O 'Dell ( Ed Begley , Jr . ) find the biological father of his stepson , the only person who can give the stepson a life @-@ saving bone marrow transplant . 
 The series <a href='uninflect' title='1'><mark>depicts</mark></a> the adventures of Veronica Mars ( Kristen Bell ) as she <a href='uninflect' title='2'><mark>deals</mark></a> with life as a college student while moonlighting as a private detective . In this episode , Veronica <a href='uninflect' title='3'><mark>investigates</mark></a> when two masked men rob a Halloween party and steal Veronica <a href='null_genetive' title='4'><mark>'s</mark></a>necklace from Lilly Kane ( Amanda Seyfried ) . Meanwhile , Keith ( Enrico Colantoni ) <a href='uninflect' title='5'><mark>helps</mark></a> Dean O 'Dell ( Ed Begley , Jr . ) find the biological father of his stepson , the only person <a href='null_relcl' title='6'><mark>who</mark></a>can give the stepson a life @-@ saving bone marrow transplant . 
The series depict the adventures of Veronica Mars ( Kristen Bell ) as she deal w life as a college student while moonlighting as a private detective . In dis episode , Veronica investigate when two masked men rob a Halloween party and steal Veronica  necklace from Lilly Kane ( Amanda Seyfried ) . Meanwhile , Keith ( Enrico Colantoni ) help Dean O 'Dell ( Ed Begley , Jr . ) find da biological father of his stepson , the only person can give tdastepson a life @-@ saving bone marrow transplant .