When Los Angeles’ blood supply is hacked and deemed unusable because of fear it’s been tainted, Team Scorpion must find the culprit in order to save a young girl in…

The girls are reunited when they each begin receiving threatening messages from someone named “A,” suggesting Alison is actually alive – and watching them.

The girls are reunited when they each begin receiving threatening messages from someone named “A,” suggesting Alison is actually alive – and watching them.

The girls are reunited when they each begin receiving threatening messages from someone named “A,” suggesting Alison is actually alive – and watching them.

As word of Seattle Grace’s financial trouble spreads, Catherine encourages Jackson to move to Boston, and the interns fear they might lose their jobs. Meanwhile, the doctors meet with a…