It starts with Boston and the goal is to end it with an Eastern Conference Finals upset of Miami en route to breaking a 40-year championship drought.

The Knicks dip their toe into the playoff waters tomorrow as the Celtics invade the Garden at 3 p.m. for Game 1. Mike Woodson’s elderly club is either going to drown amid more of the injuries that haunted them all season and in the Knicks’ past two first-round playoff knockouts. Or they are primed for a deep, magical run if they find the Fountain of Youth as they run all the way through South Beach.

Everyone is picking the Heat to defend their crown.

“They should pick the Heat,’’ Tyson Chandler said. “They’re defending champions and they should get that respect. But that’s not what we believe. We haven’t believed in that throughout the year.’’

Despite the ankle sprain to starting guard Pablo Prigioni that likely puts him out for Game 1, the Knicks are healing. Chandler was all smiles with a neck free of pain, Kenyon Martin (sprained ankle) is ready for his return and even center Marcus Camby (plantar fasciitis) went through practice and will suit up tomorrow.

Carmelo Anthony, the league’s scoring champion, has been a picture of health since getting his knee drained in March.

“I feel great, my body feels great, we feel great, we’re ready to rock,” Anthony said. “I feel like the team that we have in our hands right now, we have a shot to do something special.”

Woodson saluted his club for withstanding injuries to win the second seed and home court through the first two rounds.

“I’m fortunate to have this team,’’ Woodson said. “I say that because we had so many injuries and despite the injuries, because guys were committed, we still overcame a lot of things. That’s the sign of a good team.’’