There was a time when the plans made sense, a time when he was in love with the monster in front of him. Those times are over and Severus has changed sides.
Then Lily and James Potter are found alive and he doesn't know in who to trust anymore.
Lucius and Narcissa had to go into hidding and now Draco's safety is Severus and Percy priority.
The problem: Dumbledore is as stubborn as a mule and Voldemort is... well, Voldemort is Voldemort
When your family isn't there, you try to find one wherever you can.
Is Severus initiation and Lucius couldn't be more proud. But the merit is not only his.
M just to be safe