Hard to believe but Busey is dominating everything. He has been diagnosed with mental problems from his drug use and motorcycle accident. No surprise there. But the rehab can not go on if they do not control him. They are trying to find a drug to quiet him down.
Conway does not suffer withdrawal very well. But he keeps going back to drugs. Getting clean from any drugs appears to be torture. They are really suffering. Then they have Buseys acting up to deal with. He looks like he is going to leave.